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kasan: Makefile: shut up warnings if CONFIG_COMPILE_TEST=y 

It might be annoying to constantly see this:

	scripts/Makefile.kasan:16: Cannot use CONFIG_KASAN: -fsanitize=kernel-address is not supported by compiler

while performing allmodconfig/allyesconfig build tests.
Disable this warning if CONFIG_COMPILE_TEST=y.

Signed-off-by: Andrey Ryabinin <a.ryabinin@samsung.com>
Cc: Michal Marek <mmarek@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrey Ryabinin 2015-04-16 12:44:58 -07:00 committed by Linus Torvalds
parent 6ceafb880c
commit 6e54abac1b
1 changed files with 6 additions and 2 deletions
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8
scripts/Makefile.kasan
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@ -13,12 +13,16 @@ CFLAGS_KASAN := $(call cc-option, -fsanitize=kernel-address \
--param asan-instrumentation-with-call-threshold=$(call_threshold))
ifeq ($(call cc-option, $(CFLAGS_KASAN_MINIMAL) -Werror),)
ifneq ($(CONFIG_COMPILE_TEST),y)
$(warning Cannot use CONFIG_KASAN: \
-fsanitize=kernel-address is not supported by compiler)
endif
else
ifeq ($(CFLAGS_KASAN),)
$(warning CONFIG_KASAN: compiler does not support all options.\
Trying minimal configuration)
ifneq ($(CONFIG_COMPILE_TEST),y)
$(warning CONFIG_KASAN: compiler does not support all options.\
Trying minimal configuration)
endif
CFLAGS_KASAN := $(CFLAGS_KASAN_MINIMAL)
endif
endif